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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Hoffmannseggia

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1 Lateral pinna pair 1; leaflets 3-5× as long as wide; shrub
1 Lateral pinna pairs (1-) 2-5 (-6); leaflets 1.8-2.4× as long as wide; subshrub or perennial herb.
..2 Hairs of the upper stems and inflorescences eglandular
..2 Hairs of the upper stems and inflorescences at least partly stipitate glandular.
....3 Lateral pinna pairs (2-) 3-5 (-6) per leaf; leaflet pairs 3-13 per pinna
....3 Lateral pinna pairs (1-) 2-4 per leaf; leaflet pairs 2-4 per pinna
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